<script setup>
    import roleApi from "@/api/role.js";
    import {ref} from "vue";
    import {ElMessage, ElMessageBox} from "element-plus";
    import { Plus } from '@element-plus/icons-vue'
    import router from "@/router/index.js";
    import permissionApi from "@/api/permission.js";
    import hasBtnPermission from "@/utils/btnPermission.js";
    //数据表格
    const list = ref([])
    const total = ref(0)
    //分页信息和搜索条件
    const roleQuery = ref({
        name: '',
        page: 1,
        limit: 10
    })
    const dateTimeRange = ref([])

    /*roleApi.list(roleQuery.value).then(result => {
        list.value = result.data.records
        total.value = result.data.total
    })*/

    const loadData = () => {
        roleApi.list(roleQuery.value).then(result => {
            if (result.code == 0) {
                list.value = result.data.records
                total.value = result.data.total
            }
        })
    }

    loadData()

    const onSearch = () => {
        roleQuery.value.page = 1
        if(dateTimeRange.value && dateTimeRange.value.length == 2) {
            roleQuery.value.beginUpdateTime = dateTimeRange.value[0]
            roleQuery.value.endUpdateTime = dateTimeRange.value[1]
        }
        loadData()
    }

    const reset = () => {
        roleQuery.value.name = ''
        dateTimeRange.value = []
    }

    //根据id删除
    const deleteById = (id) => {
        ElMessageBox.confirm(
            '您确认要删除么?',
            '警告',
            {
                confirmButtonText: '确认',
                cancelButtonText: '取消',
                type: 'warning',
            }
        ).then(() => {
            roleApi.deleteById(id).then(result => {
                if (result.code == 0) {
                    ElMessage.success(result.msg)
                    loadData()
                } else {
                    ElMessage.error(result.msg)
                }
            })
        })
    }

    //批量删除
    const ids = ref([])
    const handleSelectionChange = (rows) => {
        console.log('多选', rows)
        ids.value = rows.map(function (row) {
            return row.id;
        })
        console.log(ids.value)
    }

    const deleteAll = () => {
        ElMessageBox.confirm(
            '您确认要删除么?',
            '警告',
            {
                confirmButtonText: '确认',
                cancelButtonText: '取消',
                type: 'warning',
            }
        ).then(() => {
            roleApi.deleteAll(ids.value).then(result => {
                if (result.code == 0) {
                    ElMessage.success(result.msg)
                    loadData()
                } else {
                    ElMessage.error(result.msg)
                }
            })
        })
    }

    //添加、编辑
    const dialogFormVisible = ref(false)
    const role = ref({})
    const showAddDialog = () => {
        role.value = {}
        dialogFormVisible.value = true
    }

    const showUpdateDialog = (id) => {
        dialogFormVisible.value = true
        role.value = {}
        roleApi.selectById(id).then(result => {
            if (result.code == 0) {
                role.value = result.data
            }
        })
    }

    const addOrUpdate = () => {
        if (role.value.id) {
            roleApi.update(role.value).then(result => {
                if (result.code == 0) {
                    ElMessage.success(result.msg)
                    dialogFormVisible.value = false
                    loadData()
                } else {
                    ElMessage.error(result.msg)
                }
            })
        } else {
            roleApi.add(role.value).then(result => {
                if (result.code == 0) {
                    ElMessage.success(result.msg)
                    dialogFormVisible.value = false
                    loadData()
                } else {
                    ElMessage.error(result.msg)
                }
            })
        }
    }

    //权限分配的树形结构
    const dialogPermissionVisible = ref(false)
    const treeData = ref([])
    const treeRef = ref()
    const defaultProps = ref({
        children: 'children',
        label: 'name'
    })
    const showAssignedPermissionDialog = (row) => {
        role.value = row;
        dialogPermissionVisible.value = true;
        treeData.value = [];
        roleApi.selectAssignedPermission(row.id).then((result) => {
            treeData.value = result.data.permissionVOList;
            let checkedLeafIdList = [];
            getCheckedLeafIdList(result.data.permissionVOList, result.data.assignedPermissionIdList, checkedLeafIdList);
            treeRef.value.setCheckedKeys(checkedLeafIdList);
        });
    }

    const getCheckedLeafIdList = (permissionVOList, assignedPermissionIdList, checkedLeafIdList) => {
        permissionVOList.forEach(permissionVO => {
            assignedPermissionIdList.forEach(id => {
                //这个角色下面的权限，而且是没有孩子的叶子节点
                if (permissionVO.id == id && permissionVO.children.length == 0) {
                    checkedLeafIdList.push(id)
                } else if(permissionVO.id == id && permissionVO.children.length != 0) {
                    getCheckedLeafIdList(permissionVO.children, assignedPermissionIdList, checkedLeafIdList)
                }
            })
        })
    }

    const assignPermission = () => {
        let checkedNodes = treeRef.value.getCheckedNodes(false, true);
        console.log(checkedNodes);
        let permissionIds = checkedNodes.map((node) => node.id);
        permissionIds = permissionIds.join(',');
        roleApi.assignPermission(role.value.id, permissionIds).then((result) => {
            ElMessage({message: result.msg, type: 'success',})
            dialogPermissionVisible.value = false;
        });
    }

</script>

<template>
    <el-card class="">
        <template #header>
            <div class="header">
                <el-button type="primary" @click="showAddDialog" :disabled="!hasBtnPermission('role:add')">添加</el-button>
                <el-button type="primary" @click="deleteAll" :disabled="!hasBtnPermission('role:deleteAll')">批量删除</el-button>
            </div>
        </template>
        <el-form :inline="true">
            <el-form-item label="名字">
                <el-input v-model="roleQuery.name" placeholder="请输入名字" clearable  style="width: 200px"/>
            </el-form-item>
            <el-form-item label="更新时间" :label-width="100">
                <el-date-picker
                    clearable
                    v-model="dateTimeRange"
                    type="datetimerange"
                    start-placeholder="开始时间"
                    end-placeholder="结束时间"
                    value-format="YYYY-MM-DD HH:mm:ss"
                />
            </el-form-item>
            <el-form-item>
                <el-button type="primary" @click="onSearch">搜索</el-button>
                <el-button type="warning" @click="reset">重置</el-button>
            </el-form-item>
        </el-form>
        <el-table :data="list" style="width: 100%" ref="multipleTableRef" @selection-change="handleSelectionChange">
            <el-table-column type="selection" width="55" />
            <el-table-column fixed prop="id" label="ID"/>
            <el-table-column prop="name" label="名字"/>
            <el-table-column prop="code" label="编码"/>
            <el-table-column prop="description" label="简介"/>
            <el-table-column prop="updateTime" label="更新时间" width="180px"/>
            <el-table-column align="center" width="200px" fixed="right" label="操作">
                <template #default="{ row }">
                    <el-button size="small" type="primary" @click="showUpdateDialog(row.id)">编辑</el-button>
                    <el-button size="small" type="danger" @click="deleteById(row.id)">删除</el-button>
                    <el-button size="small" type="success" @click="showAssignedPermissionDialog(row)">权限</el-button>
                </template>
            </el-table-column>
        </el-table>
        <el-pagination
            v-model:current-page="roleQuery.page"
            v-model:page-size="roleQuery.limit"
            :page-sizes="[10, 20, 30, 40]"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total"
            @change="loadData"
            style="margin-top: 20px; justify-content: flex-end"
        />
    </el-card>

    <!--添加、编辑弹出框-->
    <el-dialog v-model="dialogFormVisible" :title="title" width="60%" :lock-scroll="false">
        <el-form :model="role">
            <el-form-item label="名字" :label-width="60">
                <el-input v-model="role.name" autocomplete="off" />
            </el-form-item>
            <el-form-item label="密码" :label-width="60">
                <el-input v-model="role.code" autocomplete="off" />
            </el-form-item>
            <el-form-item label="简介" :label-width="60">
                <el-input v-model="role.description" autocomplete="off" />
            </el-form-item>
        </el-form>
        <template #footer>
            <div class="dialog-footer">
                <el-button @click="dialogFormVisible = false">取消</el-button>
                <el-button type="primary" @click="addOrUpdate">
                    确认
                </el-button>
            </div>
        </template>
    </el-dialog>

    <!--    权限分配的dialog-->
    <el-dialog
        title="分配权限"
        v-model="dialogPermissionVisible"
        width="40%" :lock-scroll="false">
        <el-tree
            :data="treeData"
            ref="treeRef"
            show-checkbox
            node-key="id"
            default-expand-all
            :props="defaultProps">
        </el-tree>
        <template #footer>
            <div class="dialog-footer">
                <el-button type="primary" @click="assignPermission()">保存</el-button>
                <el-button  @click="dialogPermissionVisible = false">取消</el-button>
            </div>
        </template>
    </el-dialog>
</template>

<style scoped>
</style>

